tree 78ce9c1b5fbf104c22a2b4f1fa1474c0e5c97cc3
parent 7349cec14d63251d093a213f7d40ed3c732b3734
author Sylwester Nawrocki <s.nawrocki@samsung.com> 1368098973 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> 1371643245 -0300

[media] V4L: Remove all links of the media entity when unregistering subdev

Remove all links of the subdev's media entity after internal_ops
'unregistered' call and right before unregistering the entity from
a media device.
It is assumed here that an unregistered (orphan) media entity cannot
have links to other entities registered to a media device.
It is also assumed the media links should be created/removed with
the media graph's mutex held.
The above implies that the caller of v4l2_device_unregister_subdev()
must not hold the graph's mutex.

Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>